package com.fcat.common.monitor.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Created by jack on 2017/7/26.
 * springboot工具类用来获取bean
 */
@Component
public class SpringbootUtil implements ApplicationContextAware {
    private static final Logger LOG = LoggerFactory.getLogger(SpringbootUtil.class);
    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        if (SpringbootUtil.applicationContext == null) {
            SpringbootUtil.applicationContext = applicationContext;
            LOG.info("获取applicationContext成功："+applicationContext);
        }
    }

    // 获取applicationContext
    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    // 通过name获取 Bean.
    public static Object getBean(String name) {
        return getApplicationContext().getBean(name);
    }

    // 通过class获取Bean.
    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

    //通过name,以及Clazz返回指定的Bean
    public static <T> T getBean(String name, Class<T> clazz) {
        return getApplicationContext().getBean(name, clazz);
    }


}
